3 years ago

List all of the numbers between 20 and 30 that are prime

Mathematics

1 answer:

Inga [223]3 years ago

6 0

23 and 29 are the only 2 prime numbers from 20 to 30

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4-a = -4 <br><br> please answer this

ikadub [295]

4 - 8 = -4.

Note that 8 (in the equation) comes after 4 (also in the equation) so, that makes the answer negative. If you wrote the equation like this:

8 - 4 = 4. Then it would equal 4, not negative 4 as given.

So,

a = 8

5 0

3 years ago

Do the points in this set form a proportional relationship? Why or why not?

Tanzania [10]

Answer:

no they are not proportional

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

12/13 divided by 3/15<br> write your answer as a simplified fraction

Agata [3.3K]

Answer:

$\frac{60}{13}$

[improper fraction]

$4 \frac{8}{13}$

[mixed fraction]

$4.\overline{615384}$

[decimal]

Explanation:

$\frac{\frac{a}{b}}{\frac{c}{d}} = \frac{a}{b} × \frac{d}{c} = \frac{ad}{bc}$

12/13 divided by 3/15 →

$\frac{\frac{12}{13}}{\frac{3}{15}}$ →

$\frac{12}{13} × \frac{15}{3}$ →

$\frac{12}{13} × 5$ →

$\frac{60}{13}$

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4 0

3 years ago

The measure of an angle is 5 times as great as the measure of its complement. Find the measure of the angle.

Solnce55 [7]

Answer: The measure of an angle is five times its complement. The angle measures 25°.

Step-by-step explanation:

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2 years ago

Which expression is equivalent to −6 + 8 − 3x − 9x?

Ulleksa [173]

Step-by-step explanation:

$= ( - 3x - 9x) + 8 - 6 \\ = - 12x + 2$

5 0

1 year ago